> This patch switch to use kvmalloc_array() for using a vmalloc()> fallback to help in case kmalloc() fails.> > Reported-by: syzbot+e4d4f9ddd4295539735d@syzkaller.appspotmail.com> Fixes: 2e0ab8ca83c12 ("ptr_ring: array based FIFO for pointers")> Signed-off-by: Jason Wang <jasowang@redhat.com>